Home / 29,209.08-40,310.43-16,947

Finding the Fourth Proportional to 29,209.08, 40,310.43 and 16,947

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Solution

The fourth proportional to 29,209.08, 40,310.43 and 16,947 is: 23,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,209.08 : 40,310.43 = 16,947 : x
  2. Step 2: Convert to fraction form
    29,209.08/40,310.43 = 16,947/x
  3. Step 3: Cross multiply
    29,209.08x = 40,310.43 × 16,947
  4. Step 4: Simplify right side
    29,209.08x = 683,140,857.21
  5. Step 5: Solve for x
    x = 683,140,857.21/29,209.08
  6. Step 6: Final answer
    x = 23,387.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.